313312331012 has 6 divisors (see below), whose sum is σ = 548296579278. Its totient is φ = 156656165504.

The previous prime is 313312330999. The next prime is 313312331021. The reversal of 313312331012 is 210133213313.

It can be written as a sum of positive squares in only one way, i.e., 244020192256 + 69292138756 = 493984^2 + 263234^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39164041373 + ... + 39164041380.

It is an arithmetic number, because the mean of its divisors is an integer number (91382763213).

Almost surely, 2^313312331012 is an apocalyptic number.

It is an amenable number.

313312331012 is a deficient number, since it is larger than the sum of its proper divisors (234984248266).

313312331012 is a wasteful number, since it uses less digits than its factorization.

313312331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78328082757 (or 78328082755 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 313312331012 its reverse (210133213313), we get a palindrome (523445544325).

The spelling of 313312331012 in words is "three hundred thirteen billion, three hundred twelve million, three hundred thirty-one thousand, twelve".